Home / 11,321,344.80-15,619,470.48-7,403,394.48

Finding the Fourth Proportional to 11,321,344.80, 15,619,470.48 and 7,403,394.48

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Solution

The fourth proportional to 11,321,344.80, 15,619,470.48 and 7,403,394.48 is: 10,214,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321,344.80 : 15,619,470.48 = 7,403,394.48 : x
  2. Step 2: Convert to fraction form
    11,321,344.80/15,619,470.48 = 7,403,394.48/x
  3. Step 3: Cross multiply
    11,321,344.80x = 15,619,470.48 × 7,403,394.48
  4. Step 4: Simplify right side
    11,321,344.80x = 115,637,101,532,154.95
  5. Step 5: Solve for x
    x = 115,637,101,532,154.95/11,321,344.80
  6. Step 6: Final answer
    x = 10,214,078.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.